Shareholders' Equity
 9 Months Ended
Sep. 30, 2022
Equity [Abstract]  
Shareholders' Equity Shareholders’ Equity
Under the Memorandum of Association and Articles of Association, or Articles, in effect as of September 30, 2022 and December 31, 2021, the Company had authorized an unlimited number of common shares with no par value.
As of September 30, 2022 and December 31, 2021, 24,750,397 and 24,488,335 common shares, respectively, were issued and 24,342,327 and 24,080,265 common shares, respectively, were outstanding.
During the nine months ended September 30, 2022, the Company granted stock options and RSUs to employees and consultants (see Note 10).
The Company had reserved common shares for future issuances as follows:
September 30,
2022		December 31,
2021
Warrants to purchase common shares— 5,000 
Options to purchase common shares1,870,669 2,098,087 
Remaining shares available under the 2018 Equity Incentive Plan2,750,119 1,780,687 
Shares issuable on vesting of grants of RSUs146,132 3,982 
Remaining shares available under the 2018 Employee Stock Purchase Plan848,000 661,000 
Total5,614,920 4,548,756 
Warrants
In March 2017, the Company issued warrants for the purchase of 145,000 Class B ordinary shares to parties related to Rockport Ventures, with a fixed exercise price of $3.80 per share.
During the nine months ended September 30, 2022, warrants to purchase 5,000 shares were net exercised to
obtain 4,703 shares. As of September 30, 2022, no warrants were outstanding and exercisable.
Warrant HolderIssue DateIn Connection WithWarrant to PurchaseSharesExercise PriceExpiration Date
Rockport3/3/2017Loan agreementCommon—$3.80 8/28/2022